Home / 19,664.13-27,112.92-16,065.75

Finding the Fourth Proportional to 19,664.13, 27,112.92 and 16,065.75

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Solution

The fourth proportional to 19,664.13, 27,112.92 and 16,065.75 is: 22,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.13 : 27,112.92 = 16,065.75 : x
  2. Step 2: Convert to fraction form
    19,664.13/27,112.92 = 16,065.75/x
  3. Step 3: Cross multiply
    19,664.13x = 27,112.92 × 16,065.75
  4. Step 4: Simplify right side
    19,664.13x = 435,589,394.49
  5. Step 5: Solve for x
    x = 435,589,394.49/19,664.13
  6. Step 6: Final answer
    x = 22,151.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.